Hi Karthikeyan,

It's nice to know that you want to pursue your PhD in Pharmacy from abroad. The top 10 universities known for Pharmacy are:

For a PhD degree abroad, you would be required to apply with a GRE and English language proficiency score along with this you should be in the 95% of your class to be on a safer side. Though you can apply to any program, a background with biological sciences/pharmacy would be a preferred one.

Please to go the links provided to know more about GRE and English proficiency scores.

https://studyabroad.careers360.com/what-gre

https://studyabroad.careers360.com/articles/insiders-guide-gre-general-test

Hope that helps you.

Do revert if you need more information.